Methods for identifying equipment used in counterfeiting

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6771796
APP PUB NO 20020021825A1
SERIAL NO

09898914

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Line art on a banknote or other security document is slightly changed to effect the encoding of plural-bit digital data (i.e. the banknote is digitally watermarked). When such a banknote is thereafter scanned, the resulting image data can be recognized as corresponding to a banknote by detection of the encoded data. (Alternatively, the image data can be recognized as corresponding to a banknote by machine detection of other forms of watermarking, or by reference to visible structures characteristic of banknotes.) In response to detection of a banknote, the detecting apparatus (e.g., a scanner, photocopier, or printer) can intervene by inserting forensic tracer data (e.g. steganographically encoded binary data) in the image data. The tracer data can memorialize the serial number of the machine that processed the banknote data and/or the date and time such processing occurred. To address privacy concerns, such tracer data is not normally inserted, but is so inserted only when the image data being processed is recognized as corresponding to a banknote. Any printed output from such image data will include the tracer data, permitting identification of equipment used in its reproduction.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DIGIMARC CORPORATIONBEAVERTON, OR901

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rhoads, Geoffrey B West Linn, OR 633 54700

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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CHANYU HOLDINGS, LLC (1)
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DIGIMARC CORPORATION (8)
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Verance Corporation (1)
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MCAFEE, INC. (1)
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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 2004/0150,216 Method for printing and verifying limited edition stamps 0 2004
 
CABLE TELEVISION LABORATORIES, INC. (1)
7974495 Identification and protection of video 4 2009
 
ALPS ELECTRIC CO., LTD. (2)
* 7199889 Printer capable of invalidating a document 3 2001
* 2003/0002,067 Printer capable of invalidating a document 15 2001
 
European Central Bank (2)
7991186 Banknotes with a printed security image that can be detected with one-dimensional signal processing 4 2005
* 2008/0159,615 Banknotes with a Printed Security Image That Can be Detected with One-Dimensional Signal Processing 7 2005
 
SONY UNITED KINGDOM LIMITED (2)
* 7636847 Material distribution apparatus 2 2002
* 2003/0046,240 Material distribution apparatus 12 2002
 
DIGIMARC CORPORATION (51)
8505108 Authentication using a digital watermark 5 2002
8769297 Method for increasing the functionality of a media player/recorder device or an application program 1 2003
* 2004/0128,514 Method for increasing the functionality of a media player/recorder device or an application program 284 2003
8144368 Automated methods for distinguishing copies from original printed objects 20 2003
9630443 Printer driver separately applying watermark and information 0 2004
8204222 Steganographic encoding and decoding of auxiliary codes in media signals 16 2005
8059858 Identification document and related methods 28 2006
8045748 Watermark embedding functions adapted for transmission channels 3 2006
7991184 Apparatus to process images and video 0 2007
8290202 Methods utilizing steganography 3 2007
7987094 Audio encoding to convey auxiliary information, and decoding of same 3 2007
8051169 Methods and systems useful in linking from objects to remote resources 2 2007
8006092 Digital watermarks for checking authenticity of printed objects 0 2007
8312168 Methods for linking from objects to remote resources 71 2007
8301893 Detecting media areas likely of hosting watermarks 27 2007
8391541 Steganographic encoding and detecting for video signals 2 2007
8355514 Audio encoding to convey auxiliary information, and media embodying same 10 2007
8131760 Using object identifiers with content distribution 6 2007
8126272 Methods combining multiple frames of image data 16 2008
8023692 Apparatus and methods to process video or audio 10 2008
* 2008/0253,740 Apparatus and Methods to Process Video or Audio 58 2008
8041074 Content indexing and searching using content identifiers and associated metadata 9 2008
8825518 Media methods and systems 4 2008
8051294 Methods for audio watermarking and decoding 4 2009
8000518 Methods, objects and apparatus employing machine readable data 0 2009
8055012 Hiding and detecting messages in media signals 5 2009
* 2010/0021,004 Hiding and Detecting Messages in Media Signals 49 2009
8073193 Methods and systems for steganographic processing 0 2009
7974439 Embedding hidden auxiliary information in media 4 2009
8036419 Digital watermarks 4 2009
8014562 Signal processing of audio and video data, including deriving identifying information 4 2009
7916354 Hiding and detecting auxiliary data in media materials and signals 27 2009
8051295 Benchmarks for digital watermarking 14 2009
7936900 Processing data representing video and audio and methods related thereto 19 2009
8280101 Identification documents and authentication of such documents 0 2009
8788971 Methods and arrangements for composing information-carrying artwork 1 2010
8116516 Controlling use of audio or image content 5 2010
* 2010/0119,108 Methods and Arrangements for Composing Information-Carrying Artwork 49 2010
8165341 Methods and apparatus to process imagery or audio content 11 2010
8447067 Location-based arrangements employing mobile devices 13 2010
8068679 Audio and video signal processing 3 2010
8411898 Digital authentication with analog documents 2 2010
8014563 Methods and systems for steganographic processing 0 2010
8144924 Content objects with computer instructions steganographically encoded therein, and associated methods 1 2010
8059860 Steganographic encoding 1 2010
8483426 Digital watermarks 0 2010
8078697 Network linking methods and apparatus 3 2010
8175329 Authentication of physical and electronic media objects using digital watermarks 1 2010
8515121 Arrangement of objects in images or graphics to convey a machine-readable signal 1 2010
8391545 Signal processing of audio and video data, including assessment of embedded data 0 2011
8644548 Digital watermarks 0 2011
* Cited By Examiner